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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
I'm using the PostgreSQL database for my Ruby on Rails application (on Mac OS X 10.9).
15 Answers
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Is there a performance difference between i++ and ++i in C?
Is there a performance difference between i++ and ++i if the resulting value is not used?
14 Answers
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How can you find out which process is listening on a port on Windows?
How can you find out which process is listening on a port on Windows?
31 Answers
31
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What's the difference between [ and [[ in Bash? [duplicate]
I looked at bash man page and the [[ says it uses Conditional Expressions. Then I looked at Conditional Expressions section and it lists the same operators as test (and [ ).
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How to access component methods from “outside” in ReactJS?
Why can’t I access the component methods from “outside” in ReactJS? Why is it not possible and is there any way to solve it?
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Entity Framework Refresh context?
How could I refresh my context? I have entities based on views from my Database and when I made an update over one table Entity that has navigation properties to views, the entity is update but the view don't refresh accord the new updates...just want to get again from the Db the data.
Thanks!
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Run a string as a command within a Bash script
I have a Bash script that builds a string to run as a command
8 Answers
8
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How to find the most recent file in a directory using .NET, and without looping?
I need to find the most recently modified file in a directory.
11 Answers
11
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How to make a HTTP request using Ruby on Rails?
I would like to take information from another website. Therefore (maybe) I should make a request to that website (in my case a HTTP GET request) and receive the response.
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How does Spring Data JPA differ from Hibernate for large projects?
I am having a hard time deciding if I should stick with Hibernate for a new project, or get my feet wet with JPA and the new Spring Data implementation.
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